/* 重置所有浏览器默认样式 */
html, body, div, span, applet, object, iframe,
h1, h2, h3, h4, h5, h6, p, blockquote, pre,
a, abbr, acronym, address, big, cite, code,
del, dfn, em, img, ins, kbd, q, s, samp,
small, strike, strong, sub, sup, tt, var,
b, u, i, center,
dl, dt, dd, ol, ul, li,
fieldset, form, label, legend,
table, caption, tbody, tfoot, thead, tr, th, td,
article, aside, canvas, details, embed, 
figure, figcaption, footer, header, hgroup, 
menu, nav, output, ruby, section, summary,
time, mark, audio, video {
  margin: 0;
  padding: 0;
  border: 0;
  font-size: 100%;
  font: inherit;
  vertical-align: baseline;
}

/* HTML5 元素显示为块级元素 */
article, aside, details, figcaption, figure, 
footer, header, hgroup, menu, nav, section {
  display: block;
}

body {
  line-height: 1;
  font-family: 'PingFang SC', 'Microsoft YaHei', sans-serif;
}

ol, ul {
  list-style: none;
}

blockquote, q {
  quotes: none;
}

blockquote:before, blockquote:after,
q:before, q:after {
  content: '';
  content: none;
}

table {
  border-collapse: collapse;
  border-spacing: 0;
}

/* 添加盒模型统一 */
* {
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
}

/* 移除输入框默认样式 */
input, button, textarea, select {
  outline: none;
  border: none;
  background: none;
  font-family: inherit;
}

/* 移除链接默认样式 */
a {
  text-decoration: none;
  color: inherit;
}

/* 修复图片默认间隙 */
img {
  vertical-align: middle;
}

/* 清除浮动 */
.clearfix:after {
  content: "";
  display: block;
  clear: both;
  visibility: hidden;
  height: 0;
}